Portable sun screen for automobile sun roof



FIG. 1 is a perspective view of a portable sun screen for automobile sun roof showing my new design therefor;

FIG. 2 is a front elevational view, the rear elevational view being a mirror image thereof;

FIG. 3 is a bottom plan view;

FIG. 4 is a left side elevational view, the right side elevational view being a mirror image thereof; and,

FIG. 5 is a top plan view. 

The ornamental design for a portable sun screen for automobile sun roof, as shown and described. 